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Analog Devices Inc. HMC554A
- Part No.:
- HMC554A
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- Die
- Datasheet:
-
HMC554A.pdf
- Description:
- MIXERS
- Quantity:
- Payment:
- Shipping:
Inventory:4,786
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Product details
Overview
HMC554A from Analog Devices is a GaAs MMIC double-balanced mixer operating from 10 GHz to 20 GHz RF, supporting IF up to 6 GHz and LO input of 9–15 dBm. It delivers typical conversion loss of 8.5 dB (downconverter), LO-to-RF isolation of 38 dB, and input IP3 of 20 dBm - enabling high-dynamic-range microwave signal translation in compact RF front-ends.
For engineers reviewing the HMC554A datasheet, HMC554A pinout, HMC554A application, or HMC554A equivalent, this bare-die mixer requires no external matching components, supports both upconversion and downconversion modes, and is optimized for microwave radios, EW systems, and test instrumentation where wideband performance and high port-to-port isolation are critical.
Technical Context
The HMC554A uses a GaAs MESFET-based double-balanced topology with integrated balun structures that enable simultaneous high LO-to-RF (38 dB) and LO-to-IF (52 dB) isolation. Its passive architecture eliminates bias circuitry and enables operation across full 10–20 GHz RF band without tuning.
It functions bidirectionally: as a downconverter translating 10–20 GHz RF to DC–6 GHz IF, or as an upconverter translating DC–6 GHz IF to 10–20 GHz RF. Performance remains stable over −40°C to +85°C, with RF/LO ports ac-coupled and IF port dc-coupled (max ±3 mA).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 10–20 GHz - covers X-band through Ku-band radar and comms links without reconfiguration. |
| IF Frequency Range | DC–6 GHz - supports baseband, IF-sampling ADCs, and wideband digital receivers. |
| LO Input Power | 9–15 dBm - compatible with standard GaAs or SiGe LO drivers; 13 dBm yields optimal IP3 and noise figure. |
| Conversion Loss (Downconv.) | 8.5 dB typ. - low loss preserves system noise figure and reduces post-mixer gain requirements. |
| Input IP3 | 20 dBm typ. - enables handling of strong interferers in dense spectral environments like EW or VSAT. |
| LO-to-RF Isolation | 38 dB typ. - minimizes LO leakage into antenna paths, easing filtering and improving receiver dynamic range. |
| Operating Temp. | −40°C to +85°C - qualified for airborne, ground-mobile, and outdoor military platform deployment. |
Pinout & Package
Package: RoHS-compliant 7-pad bare die (HMC554ACHIPS), mounted eutectically or with conductive epoxy to grounded metal carrier or alumina substrate. Die bottom serves as RF/dc ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pad 1, 4, 5, 7 | GND | RF and DC ground connections - must be bonded to ground plane with low-inductance wire bonds or flip-chip bumps. |
| Pad 2 | LO | 50 Ω ac-coupled local oscillator input - no external DC blocking required; accepts 9–15 dBm drive. |
| Pad 3 | RF | 50 Ω ac-coupled radio frequency port - matched for 10–20 GHz operation; handles up to 25 dBm input. |
| Pad 6 | IF | dc-coupled intermediate frequency port - supports DC–6 GHz; limited to ±3 mA source/sink current. |
Key Features
| Feature | Design Value |
|---|---|
| No external matching required | Integrated 50 Ω RF/LO matching and balun structures eliminate discrete components and layout sensitivity. |
| High port isolation | 38 dB LO-to-RF and 52 dB LO-to-IF isolation reduce spurious mixing and simplify filter design in transceivers. |
| Bidirectional operation | Valid as both upconverter (IF→RF) and downconverter (RF→IF) - single part supports dual-mode architectures. |
| Wide IF bandwidth | DC–6 GHz IF response enables direct sampling of wideband signals and compatibility with high-speed ADCs/DACs. |
| Robust thermal rating | 175°C max junction temperature and 333 mW power dissipation at TA = 85°C support high-reliability mounting. |
Applications
| Microwave VSAT Radios | Electronic Warfare Receivers |
|---|---|
|
Use Scenario: High-throughput satellite terminal operating in 12–18 GHz downlink band with adaptive IF processing. IC Role / Device Role / Timing Role: Downconverter translating Ku-band RF to 0.1–3 GHz IF for digitization and demodulation. Use Value: 8.5 dB conversion loss and 20 dBm IP3 maintain SNR and adjacent-channel rejection under multi-carrier loading. |
Use Scenario: Wideband SIGINT receiver scanning 10–20 GHz spectrum with real-time channelization. IC Role / Device Role / Timing Role: First-stage downconverter in broadband front-end, preserving instantaneous bandwidth and dynamic range. Use Value: 6 GHz IF bandwidth and −40°C to +85°C operation enable real-time analysis across military temperature ranges. |
| Millimeter-Wave Test Equipment | Military C3I Transceivers |
|
Use Scenario: Vector network analyzer receiver module requiring calibrated amplitude/phase response from 10–20 GHz. IC Role / Device Role / Timing Role: Precision downconverter in measurement path with minimal added noise and distortion. Use Value: 8.5 dB noise figure (with external LO amp) and <10 dB conversion loss variation ensure traceable calibration accuracy. |
Use Scenario: Secure tactical radio using frequency-hopping spread spectrum across X/Ku bands. IC Role / Device Role / Timing Role: Bidirectional mixer core enabling rapid hop-set switching between uplink/downlink modes. Use Value: Identical RF/LO port specs and symmetric conversion loss (7.5 dB up / 8.5 dB down) simplify dual-mode synthesizer design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar double-balanced mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1048LC4 | Wider RF range (6–26 GHz), higher conversion loss (9.5 dB), smaller 4-mm QFN package. | Requires PCB footprint change and external matching; better suited for lab-grade benchtop instruments than embedded modules. | Select when broader frequency coverage outweighs loss and integration trade-offs. |
| QPC1006 | GaAs pHEMT process, 12–20 GHz RF, 7.8 dB conversion loss, but only 28 dB LO-to-RF isolation. | Limited to narrowband fixed-frequency systems where lower isolation is acceptable; not rated for −40°C operation. | Choose for cost-sensitive Ku-band upconverters where LO leakage is managed externally. |
Compared with HMC554A, the HMC1048LC4 extends frequency range at the expense of higher loss and board-level complexity, while the QPC1006 trades isolation and temperature rating for lower cost and marginally better conversion loss in fixed-band applications.
Availability
HMC554A is available at Aetrix Electronics and suitable for microwave VSAT radios, electronic warfare receivers, and millimeter-wave test equipment requiring stable component supply across extended temperature and frequency ranges.
Supply support for HMC554A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving aerospace, defense, communications, and industrial markets with precision signal processing solutions.
The HMC554A belongs to Analog Devices' Hittite Microwave MMIC product line, engineered specifically for high-frequency, high-isolation, no-tuning RF front-end applications in defense and instrumentation systems.
FAQ
What is the recommended LO drive level for optimal performance of the HMC554A?
The HMC554A achieves best balance of conversion loss, IP3, and noise figure at LO = 13 dBm. At this level, typical downconverter conversion loss is 8.5 dB, input IP3 reaches 20 dBm, and single-sideband noise figure is 8.5 dB (measured with external LO amplifier). Lower LO power increases conversion loss; higher power risks compression or reliability degradation.
Can the HMC554A operate with DC-coupled IF output?
Yes - the IF port of the HMC554A is dc-coupled and supports operation from DC. However, the device must not source or sink more than ±3 mA through the IF pad, as exceeding this current may cause die malfunction or failure. For AC-only IF paths, external series capacitors are recommended to block DC.
Is the HMC554A pin-compatible with other Hittite mixer die such as HMC553A or HMC774A?
No - the HMC554A has a unique 7-pad configuration (4 GND, 1 LO, 1 RF, 1 IF) and is not pin-compatible with HMC553A (6-pad) or HMC774A (8-pad). Each die requires custom bond-wire layout or flip-chip footprint. Mechanical and electrical interfaces differ across the Hittite mixer family.
What substrate and mounting method does Analog Devices recommend for the HMC554A bare die?
Analog Devices recommends attaching the HMC554A die eutectically or with conductive epoxy directly to a grounded metal carrier or 0.127 mm-thick alumina thin-film substrate. RF/LO/IF connections should use 50 Ω microstrip lines; wire bonding is required for all seven pads, with GND pads prioritized for lowest inductance.
Does the HMC554A require external DC biasing or active control signals?
No - the HMC554A is a fully passive double-balanced mixer fabricated in GaAs MESFET technology and requires no DC bias, enable pins, or control logic. All ports are self-contained: LO and RF are ac-coupled, IF is dc-coupled, and all GND pads must connect to a low-impedance RF ground plane.
HMC554A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- Die
- Packaging:
- Tray
- Product Status:
- Active
- RF Type:
- VSAT
- Frequency:
- 10GHz ~ 20GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- 8dB
- Secondary Attributes:
- Up/Down Converter
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- -
- Supplier Device Package:
- Die
HMC554A FAQ
1.How can I place an order for HMC554A through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC554A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HMC554A reliable?
The price and inventory of HMC554A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC554A is usually 5 days.
3.What payment methods are accepted for HMC554A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC554A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC554A?
HMC554A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC554A order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HMC554A?
For technical support, including HMC554A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC554A requirements.
6.How does Aetrix verify that HMC554A is sourced from the original manufacturer or authorized distributors?
All HMC554A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HMC554A meets industry standards.
7.What is the process for return or replacement of HMC554A?
All HMC554A units undergo pre-shipment inspection (PSI). If there is an issue with HMC554A, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HMC554A part is unused and in its original packaging.
Return procedure for HMC554A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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